. >>> backyard soil samples in detroit are being tested to see if jimmy hoffa is buried there. >>> a renoir painting bought at a flea market just for $7 will not go on auction this weekend as planned. that was because authorities say it was stolen more than 60 years ago. the fbi is trying to find out who pilfered that piece. >>> and the pet cemetery in a new york city suburb has become the first animal burial ground to be listed on the national register of historic places. the hartsdale cemetery is being recognized for its architect and social history. those are your top five headlines. >>> president obama and mitt romney will finally be facing each other in an arena that has seen some of the best and worst performances from our presidential candidates and their running mates. >> there is no soviet domination of eastern europe and there never will be under a ford administration. >> there you go again. are you better off than you were four years ago? >> senator, you're no jack kennedy. >> who am i? why am i here? >> that last one went on to "snl" infamy. joining me is nbc news histori